x86_64: move lib

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

24 files changed, 1 insertions, 2387 deletions

diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index 265484c..ae48f17 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -73,7 +73,7 @@ AFLAGS += -m64
 
 head-y := arch/x86_64/kernel/head_64.o arch/x86_64/kernel/head64.o arch/x86_64/kernel/init_task_64.o
 
-libs-y 					+= arch/x86_64/lib/
+libs-y 					+= arch/x86/lib/
 core-y					+= arch/x86_64/kernel/ \
 					   arch/x86_64/mm/ \
 					   arch/x86/crypto/ \
diff --git a/arch/x86_64/lib/Makefile b/arch/x86_64/lib/Makefile
deleted file mode 100644
index 2d7d724..0000000
--- a/arch/x86_64/lib/Makefile
+++ /dev/null
@@ -1,5 +0,0 @@
-ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/lib/Makefile_32
-else
-include ${srctree}/arch/x86_64/lib/Makefile_64
-endif
diff --git a/arch/x86_64/lib/Makefile_64 b/arch/x86_64/lib/Makefile_64
deleted file mode 100644
index bbabad3..0000000
--- a/arch/x86_64/lib/Makefile_64
+++ /dev/null
@@ -1,13 +0,0 @@
-#
-# Makefile for x86_64-specific library files.
-#
-
-CFLAGS_csum-partial_64.o := -funroll-loops
-
-obj-y := io_64.o iomap_copy_64.o
-obj-$(CONFIG_SMP)	+= msr-on-cpu.o
-
-lib-y := csum-partial_64.o csum-copy_64.o csum-wrappers_64.o delay_64.o \
-	usercopy_64.o getuser_64.o putuser_64.o  \
-	thunk_64.o clear_page_64.o copy_page_64.o bitstr_64.o bitops_64.o
-lib-y += memcpy_64.o memmove_64.o memset_64.o copy_user_64.o rwlock_64.o copy_user_nocache_64.o
diff --git a/arch/x86_64/lib/bitops_64.c b/arch/x86_64/lib/bitops_64.c
deleted file mode 100644
index 95b6d96..0000000
--- a/arch/x86_64/lib/bitops_64.c
+++ /dev/null
@@ -1,175 +0,0 @@
-#include <linux/bitops.h>
-
-#undef find_first_zero_bit
-#undef find_next_zero_bit
-#undef find_first_bit
-#undef find_next_bit
-
-static inline long
-__find_first_zero_bit(const unsigned long * addr, unsigned long size)
-{
-	long d0, d1, d2;
-	long res;
-
-	/*
-	 * We must test the size in words, not in bits, because
-	 * otherwise incoming sizes in the range -63..-1 will not run
-	 * any scasq instructions, and then the flags used by the je
-	 * instruction will have whatever random value was in place
-	 * before.  Nobody should call us like that, but
-	 * find_next_zero_bit() does when offset and size are at the
-	 * same word and it fails to find a zero itself.
-	 */
-	size += 63;
-	size >>= 6;
-	if (!size)
-		return 0;
-	asm volatile(
-		"  repe; scasq\n"
-		"  je 1f\n"
-		"  xorq -8(%%rdi),%%rax\n"
-		"  subq $8,%%rdi\n"
-		"  bsfq %%rax,%%rdx\n"
-		"1:  subq %[addr],%%rdi\n"
-		"  shlq $3,%%rdi\n"
-		"  addq %%rdi,%%rdx"
-		:"=d" (res), "=&c" (d0), "=&D" (d1), "=&a" (d2)
-		:"0" (0ULL), "1" (size), "2" (addr), "3" (-1ULL),
-		 [addr] "S" (addr) : "memory");
-	/*
-	 * Any register would do for [addr] above, but GCC tends to
-	 * prefer rbx over rsi, even though rsi is readily available
-	 * and doesn't have to be saved.
-	 */
-	return res;
-}
-
-/**
- * find_first_zero_bit - find the first zero bit in a memory region
- * @addr: The address to start the search at
- * @size: The maximum size to search
- *
- * Returns the bit-number of the first zero bit, not the number of the byte
- * containing a bit.
- */
-long find_first_zero_bit(const unsigned long * addr, unsigned long size)
-{
-	return __find_first_zero_bit (addr, size);
-}
-
-/**
- * find_next_zero_bit - find the first zero bit in a memory region
- * @addr: The address to base the search on
- * @offset: The bitnumber to start searching at
- * @size: The maximum size to search
- */
-long find_next_zero_bit (const unsigned long * addr, long size, long offset)
-{
-	const unsigned long * p = addr + (offset >> 6);
-	unsigned long set = 0;
-	unsigned long res, bit = offset&63;
-
-	if (bit) {
-		/*
-		 * Look for zero in first word
-		 */
-		asm("bsfq %1,%0\n\t"
-		    "cmoveq %2,%0"
-		    : "=r" (set)
-		    : "r" (~(*p >> bit)), "r"(64L));
-		if (set < (64 - bit))
-			return set + offset;
-		set = 64 - bit;
-		p++;
-	}
-	/*
-	 * No zero yet, search remaining full words for a zero
-	 */
-	res = __find_first_zero_bit (p, size - 64 * (p - addr));
-
-	return (offset + set + res);
-}
-
-static inline long
-__find_first_bit(const unsigned long * addr, unsigned long size)
-{
-	long d0, d1;
-	long res;
-
-	/*
-	 * We must test the size in words, not in bits, because
-	 * otherwise incoming sizes in the range -63..-1 will not run
-	 * any scasq instructions, and then the flags used by the jz
-	 * instruction will have whatever random value was in place
-	 * before.  Nobody should call us like that, but
-	 * find_next_bit() does when offset and size are at the same
-	 * word and it fails to find a one itself.
-	 */
-	size += 63;
-	size >>= 6;
-	if (!size)
-		return 0;
-	asm volatile(
-		"   repe; scasq\n"
-		"   jz 1f\n"
-		"   subq $8,%%rdi\n"
-		"   bsfq (%%rdi),%%rax\n"
-		"1: subq %[addr],%%rdi\n"
-		"   shlq $3,%%rdi\n"
-		"   addq %%rdi,%%rax"
-		:"=a" (res), "=&c" (d0), "=&D" (d1)
-		:"0" (0ULL), "1" (size), "2" (addr),
-		 [addr] "r" (addr) : "memory");
-	return res;
-}
-
-/**
- * find_first_bit - find the first set bit in a memory region
- * @addr: The address to start the search at
- * @size: The maximum size to search
- *
- * Returns the bit-number of the first set bit, not the number of the byte
- * containing a bit.
- */
-long find_first_bit(const unsigned long * addr, unsigned long size)
-{
-	return __find_first_bit(addr,size);
-}
-
-/**
- * find_next_bit - find the first set bit in a memory region
- * @addr: The address to base the search on
- * @offset: The bitnumber to start searching at
- * @size: The maximum size to search
- */
-long find_next_bit(const unsigned long * addr, long size, long offset)
-{
-	const unsigned long * p = addr + (offset >> 6);
-	unsigned long set = 0, bit = offset & 63, res;
-
-	if (bit) {
-		/*
-		 * Look for nonzero in the first 64 bits:
-		 */
-		asm("bsfq %1,%0\n\t"
-		    "cmoveq %2,%0\n\t"
-		    : "=r" (set)
-		    : "r" (*p >> bit), "r" (64L));
-		if (set < (64 - bit))
-			return set + offset;
-		set = 64 - bit;
-		p++;
-	}
-	/*
-	 * No set bit yet, search remaining full words for a bit
-	 */
-	res = __find_first_bit (p, size - 64 * (p - addr));
-	return (offset + set + res);
-}
-
-#include <linux/module.h>
-
-EXPORT_SYMBOL(find_next_bit);
-EXPORT_SYMBOL(find_first_bit);
-EXPORT_SYMBOL(find_first_zero_bit);
-EXPORT_SYMBOL(find_next_zero_bit);
diff --git a/arch/x86_64/lib/bitstr_64.c b/arch/x86_64/lib/bitstr_64.c
deleted file mode 100644
index 2467660..0000000
--- a/arch/x86_64/lib/bitstr_64.c
+++ /dev/null
@@ -1,28 +0,0 @@
-#include <linux/module.h>
-#include <linux/bitops.h>
-
-/* Find string of zero bits in a bitmap */ 
-unsigned long 
-find_next_zero_string(unsigned long *bitmap, long start, long nbits, int len)
-{ 
-	unsigned long n, end, i; 	
-
- again:
-	n = find_next_zero_bit(bitmap, nbits, start);
-	if (n == -1) 
-		return -1;
-	
-	/* could test bitsliced, but it's hardly worth it */
-	end = n+len;
-	if (end >= nbits) 
-		return -1; 
-	for (i = n+1; i < end; i++) { 
-		if (test_bit(i, bitmap)) {  
-			start = i+1; 
-			goto again; 
-		} 
-	}
-	return n;
-}
-
-EXPORT_SYMBOL(find_next_zero_string);
diff --git a/arch/x86_64/lib/clear_page_64.S b/arch/x86_64/lib/clear_page_64.S
deleted file mode 100644
index 9a10a78..0000000
--- a/arch/x86_64/lib/clear_page_64.S
+++ /dev/null
@@ -1,59 +0,0 @@
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-
-/*
- * Zero a page. 	
- * rdi	page
- */			
-	ALIGN
-clear_page_c:
-	CFI_STARTPROC
-	movl $4096/8,%ecx
-	xorl %eax,%eax
-	rep stosq
-	ret
-	CFI_ENDPROC
-ENDPROC(clear_page)
-
-ENTRY(clear_page)
-	CFI_STARTPROC
-	xorl   %eax,%eax
-	movl   $4096/64,%ecx
-	.p2align 4
-.Lloop:
-	decl	%ecx
-#define PUT(x) movq %rax,x*8(%rdi)
-	movq %rax,(%rdi)
-	PUT(1)
-	PUT(2)
-	PUT(3)
-	PUT(4)
-	PUT(5)
-	PUT(6)
-	PUT(7)
-	leaq	64(%rdi),%rdi
-	jnz	.Lloop
-	nop
-	ret
-	CFI_ENDPROC
-.Lclear_page_end:
-ENDPROC(clear_page)
-
-	/* Some CPUs run faster using the string instructions.
-	   It is also a lot simpler. Use this when possible */
-
-#include <asm/cpufeature.h>
-
-	.section .altinstr_replacement,"ax"
-1:	.byte 0xeb					/* jmp <disp8> */
-	.byte (clear_page_c - clear_page) - (2f - 1b)	/* offset */
-2:
-	.previous
-	.section .altinstructions,"a"
-	.align 8
-	.quad clear_page
-	.quad 1b
-	.byte X86_FEATURE_REP_GOOD
-	.byte .Lclear_page_end - clear_page
-	.byte 2b - 1b
-	.previous
diff --git a/arch/x86_64/lib/copy_page_64.S b/arch/x86_64/lib/copy_page_64.S
deleted file mode 100644
index 727a5d4..0000000
--- a/arch/x86_64/lib/copy_page_64.S
+++ /dev/null
@@ -1,119 +0,0 @@
-/* Written 2003 by Andi Kleen, based on a kernel by Evandro Menezes */
-
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-
-	ALIGN
-copy_page_c:
-	CFI_STARTPROC
-	movl $4096/8,%ecx
-	rep movsq
-	ret
-	CFI_ENDPROC
-ENDPROC(copy_page_c)
-
-/* Don't use streaming store because it's better when the target
-   ends up in cache. */
-	    
-/* Could vary the prefetch distance based on SMP/UP */
-
-ENTRY(copy_page)
-	CFI_STARTPROC
-	subq	$3*8,%rsp
-	CFI_ADJUST_CFA_OFFSET 3*8
-	movq	%rbx,(%rsp)
-	CFI_REL_OFFSET rbx, 0
-	movq	%r12,1*8(%rsp)
-	CFI_REL_OFFSET r12, 1*8
-	movq	%r13,2*8(%rsp)
-	CFI_REL_OFFSET r13, 2*8
-
-	movl	$(4096/64)-5,%ecx
-	.p2align 4
-.Loop64:
-  	dec     %rcx
-
-	movq        (%rsi), %rax
-	movq      8 (%rsi), %rbx
-	movq     16 (%rsi), %rdx
-	movq     24 (%rsi), %r8
-	movq     32 (%rsi), %r9
-	movq     40 (%rsi), %r10
-	movq     48 (%rsi), %r11
-	movq     56 (%rsi), %r12
-
-	prefetcht0 5*64(%rsi)
-
-	movq     %rax,    (%rdi)
-	movq     %rbx,  8 (%rdi)
-	movq     %rdx, 16 (%rdi)
-	movq     %r8,  24 (%rdi)
-	movq     %r9,  32 (%rdi)
-	movq     %r10, 40 (%rdi)
-	movq     %r11, 48 (%rdi)
-	movq     %r12, 56 (%rdi)
-
-	leaq    64 (%rsi), %rsi
-	leaq    64 (%rdi), %rdi
-
-	jnz     .Loop64
-
-	movl	$5,%ecx
-	.p2align 4
-.Loop2:
-	decl   %ecx
-
-	movq        (%rsi), %rax
-	movq      8 (%rsi), %rbx
-	movq     16 (%rsi), %rdx
-	movq     24 (%rsi), %r8
-	movq     32 (%rsi), %r9
-	movq     40 (%rsi), %r10
-	movq     48 (%rsi), %r11
-	movq     56 (%rsi), %r12
-
-	movq     %rax,    (%rdi)
-	movq     %rbx,  8 (%rdi)
-	movq     %rdx, 16 (%rdi)
-	movq     %r8,  24 (%rdi)
-	movq     %r9,  32 (%rdi)
-	movq     %r10, 40 (%rdi)
-	movq     %r11, 48 (%rdi)
-	movq     %r12, 56 (%rdi)
-
-	leaq	64(%rdi),%rdi
-	leaq	64(%rsi),%rsi
-
-	jnz	.Loop2
-
-	movq	(%rsp),%rbx
-	CFI_RESTORE rbx
-	movq	1*8(%rsp),%r12
-	CFI_RESTORE r12
-	movq	2*8(%rsp),%r13
-	CFI_RESTORE r13
-	addq	$3*8,%rsp
-	CFI_ADJUST_CFA_OFFSET -3*8
-	ret
-.Lcopy_page_end:
-	CFI_ENDPROC
-ENDPROC(copy_page)
-
-	/* Some CPUs run faster using the string copy instructions.
-	   It is also a lot simpler. Use this when possible */
-
-#include <asm/cpufeature.h>
-
-	.section .altinstr_replacement,"ax"
-1:	.byte 0xeb					/* jmp <disp8> */
-	.byte (copy_page_c - copy_page) - (2f - 1b)	/* offset */
-2:
-	.previous
-	.section .altinstructions,"a"
-	.align 8
-	.quad copy_page
-	.quad 1b
-	.byte X86_FEATURE_REP_GOOD
-	.byte .Lcopy_page_end - copy_page
-	.byte 2b - 1b
-	.previous
diff --git a/arch/x86_64/lib/copy_user_64.S b/arch/x86_64/lib/copy_user_64.S
deleted file mode 100644
index 70bebd3..0000000
--- a/arch/x86_64/lib/copy_user_64.S
+++ /dev/null
@@ -1,354 +0,0 @@
-/* Copyright 2002 Andi Kleen, SuSE Labs.
- * Subject to the GNU Public License v2.
- * 
- * Functions to copy from and to user space.		
- */		 
-
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-
-#define FIX_ALIGNMENT 1
-
-#include <asm/current.h>
-#include <asm/asm-offsets.h>
-#include <asm/thread_info.h>
-#include <asm/cpufeature.h>
-
-	.macro ALTERNATIVE_JUMP feature,orig,alt
-0:
-	.byte 0xe9	/* 32bit jump */
-	.long \orig-1f	/* by default jump to orig */
-1:
-	.section .altinstr_replacement,"ax"
-2:	.byte 0xe9	             /* near jump with 32bit immediate */
-	.long \alt-1b /* offset */   /* or alternatively to alt */
-	.previous
-	.section .altinstructions,"a"
-	.align 8
-	.quad  0b
-	.quad  2b
-	.byte  \feature		     /* when feature is set */
-	.byte  5
-	.byte  5
-	.previous
-	.endm
-
-/* Standard copy_to_user with segment limit checking */		
-ENTRY(copy_to_user)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%rax)
-	movq %rdi,%rcx
-	addq %rdx,%rcx
-	jc  bad_to_user
-	cmpq threadinfo_addr_limit(%rax),%rcx
-	jae bad_to_user
-	xorl %eax,%eax	/* clear zero flag */
-	ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
-	CFI_ENDPROC
-
-ENTRY(copy_user_generic)
-	CFI_STARTPROC
-	movl $1,%ecx	/* set zero flag */
-	ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
-	CFI_ENDPROC
-
-ENTRY(__copy_from_user_inatomic)
-	CFI_STARTPROC
-	xorl %ecx,%ecx	/* clear zero flag */
-	ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
-	CFI_ENDPROC
-
-/* Standard copy_from_user with segment limit checking */	
-ENTRY(copy_from_user)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%rax)
-	movq %rsi,%rcx
-	addq %rdx,%rcx
-	jc  bad_from_user
-	cmpq threadinfo_addr_limit(%rax),%rcx
-	jae  bad_from_user
-	movl $1,%ecx	/* set zero flag */
-	ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string
-	CFI_ENDPROC
-ENDPROC(copy_from_user)
-	
-	.section .fixup,"ax"
-	/* must zero dest */
-bad_from_user:
-	CFI_STARTPROC
-	movl %edx,%ecx
-	xorl %eax,%eax
-	rep
-	stosb
-bad_to_user:
-	movl	%edx,%eax
-	ret
-	CFI_ENDPROC
-END(bad_from_user)
-	.previous
-	
-		
-/*
- * copy_user_generic_unrolled - memory copy with exception handling.
- * This version is for CPUs like P4 that don't have efficient micro code for rep movsq
- * 	
- * Input:	
- * rdi destination
- * rsi source
- * rdx count
- * ecx zero flag -- if true zero destination on error
- *
- * Output:		
- * eax uncopied bytes or 0 if successful.
- */
-ENTRY(copy_user_generic_unrolled)
-	CFI_STARTPROC
-	pushq %rbx
-	CFI_ADJUST_CFA_OFFSET 8
-	CFI_REL_OFFSET rbx, 0
-	pushq %rcx
-	CFI_ADJUST_CFA_OFFSET 8
-	CFI_REL_OFFSET rcx, 0
-	xorl %eax,%eax		/*zero for the exception handler */
-
-#ifdef FIX_ALIGNMENT
-	/* check for bad alignment of destination */
-	movl %edi,%ecx
-	andl $7,%ecx
-	jnz  .Lbad_alignment
-.Lafter_bad_alignment:
-#endif
-
-	movq %rdx,%rcx
-
-	movl $64,%ebx
-	shrq $6,%rdx
-	decq %rdx
-	js   .Lhandle_tail
-
-	.p2align 4
-.Lloop:
-.Ls1:	movq (%rsi),%r11
-.Ls2:	movq 1*8(%rsi),%r8
-.Ls3:	movq 2*8(%rsi),%r9
-.Ls4:	movq 3*8(%rsi),%r10
-.Ld1:	movq %r11,(%rdi)
-.Ld2:	movq %r8,1*8(%rdi)
-.Ld3:	movq %r9,2*8(%rdi)
-.Ld4:	movq %r10,3*8(%rdi)
-
-.Ls5:	movq 4*8(%rsi),%r11
-.Ls6:	movq 5*8(%rsi),%r8
-.Ls7:	movq 6*8(%rsi),%r9
-.Ls8:	movq 7*8(%rsi),%r10
-.Ld5:	movq %r11,4*8(%rdi)
-.Ld6:	movq %r8,5*8(%rdi)
-.Ld7:	movq %r9,6*8(%rdi)
-.Ld8:	movq %r10,7*8(%rdi)
-
-	decq %rdx
-
-	leaq 64(%rsi),%rsi
-	leaq 64(%rdi),%rdi
-
-	jns  .Lloop
-
-	.p2align 4
-.Lhandle_tail:
-	movl %ecx,%edx
-	andl $63,%ecx
-	shrl $3,%ecx
-	jz   .Lhandle_7
-	movl $8,%ebx
-	.p2align 4
-.Lloop_8:
-.Ls9:	movq (%rsi),%r8
-.Ld9:	movq %r8,(%rdi)
-	decl %ecx
-	leaq 8(%rdi),%rdi
-	leaq 8(%rsi),%rsi
-	jnz .Lloop_8
-
-.Lhandle_7:
-	movl %edx,%ecx
-	andl $7,%ecx
-	jz   .Lende
-	.p2align 4
-.Lloop_1:
-.Ls10:	movb (%rsi),%bl
-.Ld10:	movb %bl,(%rdi)
-	incq %rdi
-	incq %rsi
-	decl %ecx
-	jnz .Lloop_1
-
-	CFI_REMEMBER_STATE
-.Lende:
-	popq %rcx
-	CFI_ADJUST_CFA_OFFSET -8
-	CFI_RESTORE rcx
-	popq %rbx
-	CFI_ADJUST_CFA_OFFSET -8
-	CFI_RESTORE rbx
-	ret
-	CFI_RESTORE_STATE
-
-#ifdef FIX_ALIGNMENT
-	/* align destination */
-	.p2align 4
-.Lbad_alignment:
-	movl $8,%r9d
-	subl %ecx,%r9d
-	movl %r9d,%ecx
-	cmpq %r9,%rdx
-	jz   .Lhandle_7
-	js   .Lhandle_7
-.Lalign_1:
-.Ls11:	movb (%rsi),%bl
-.Ld11:	movb %bl,(%rdi)
-	incq %rsi
-	incq %rdi
-	decl %ecx
-	jnz .Lalign_1
-	subq %r9,%rdx
-	jmp .Lafter_bad_alignment
-#endif
-
-	/* table sorted by exception address */
-	.section __ex_table,"a"
-	.align 8
-	.quad .Ls1,.Ls1e
-	.quad .Ls2,.Ls2e
-	.quad .Ls3,.Ls3e
-	.quad .Ls4,.Ls4e
-	.quad .Ld1,.Ls1e
-	.quad .Ld2,.Ls2e
-	.quad .Ld3,.Ls3e
-	.quad .Ld4,.Ls4e
-	.quad .Ls5,.Ls5e
-	.quad .Ls6,.Ls6e
-	.quad .Ls7,.Ls7e
-	.quad .Ls8,.Ls8e
-	.quad .Ld5,.Ls5e
-	.quad .Ld6,.Ls6e
-	.quad .Ld7,.Ls7e
-	.quad .Ld8,.Ls8e
-	.quad .Ls9,.Le_quad
-	.quad .Ld9,.Le_quad
-	.quad .Ls10,.Le_byte
-	.quad .Ld10,.Le_byte
-#ifdef FIX_ALIGNMENT
-	.quad .Ls11,.Lzero_rest
-	.quad .Ld11,.Lzero_rest
-#endif
-	.quad .Le5,.Le_zero
-	.previous
-
-	/* compute 64-offset for main loop. 8 bytes accuracy with error on the
-	   pessimistic side. this is gross. it would be better to fix the
-	   interface. */
-	/* eax: zero, ebx: 64 */
-.Ls1e: 	addl $8,%eax
-.Ls2e: 	addl $8,%eax
-.Ls3e: 	addl $8,%eax
-.Ls4e: 	addl $8,%eax
-.Ls5e: 	addl $8,%eax
-.Ls6e: 	addl $8,%eax
-.Ls7e: 	addl $8,%eax
-.Ls8e: 	addl $8,%eax
-	addq %rbx,%rdi	/* +64 */
-	subq %rax,%rdi  /* correct destination with computed offset */
-
-	shlq $6,%rdx	/* loop counter * 64 (stride length) */
-	addq %rax,%rdx	/* add offset to loopcnt */
-	andl $63,%ecx	/* remaining bytes */
-	addq %rcx,%rdx	/* add them */
-	jmp .Lzero_rest
-
-	/* exception on quad word loop in tail handling */
-	/* ecx:	loopcnt/8, %edx: length, rdi: correct */
-.Le_quad:
-	shll $3,%ecx
-	andl $7,%edx
-	addl %ecx,%edx
-	/* edx: bytes to zero, rdi: dest, eax:zero */
-.Lzero_rest:
-	cmpl $0,(%rsp)
-	jz   .Le_zero
-	movq %rdx,%rcx
-.Le_byte:
-	xorl %eax,%eax
-.Le5:	rep
-	stosb
-	/* when there is another exception while zeroing the rest just return */
-.Le_zero:
-	movq %rdx,%rax
-	jmp .Lende
-	CFI_ENDPROC
-ENDPROC(copy_user_generic)
-
-
-	/* Some CPUs run faster using the string copy instructions.
-	   This is also a lot simpler. Use them when possible.
-	   Patch in jmps to this code instead of copying it fully
-	   to avoid unwanted aliasing in the exception tables. */
-
- /* rdi	destination
-  * rsi source
-  * rdx count
-  * ecx zero flag
-  *
-  * Output:
-  * eax uncopied bytes or 0 if successfull.
-  *
-  * Only 4GB of copy is supported. This shouldn't be a problem
-  * because the kernel normally only writes from/to page sized chunks
-  * even if user space passed a longer buffer.
-  * And more would be dangerous because both Intel and AMD have
-  * errata with rep movsq > 4GB. If someone feels the need to fix
-  * this please consider this.
-  */
-ENTRY(copy_user_generic_string)
-	CFI_STARTPROC
-	movl %ecx,%r8d		/* save zero flag */
-	movl %edx,%ecx
-	shrl $3,%ecx
-	andl $7,%edx	
-	jz   10f
-1:	rep 
-	movsq 
-	movl %edx,%ecx
-2:	rep
-	movsb
-9:	movl %ecx,%eax
-	ret
-
-	/* multiple of 8 byte */
-10:	rep
-	movsq
-	xor %eax,%eax
-	ret
-
-	/* exception handling */
-3:      lea (%rdx,%rcx,8),%rax	/* exception on quad loop */
-	jmp 6f
-5:	movl %ecx,%eax		/* exception on byte loop */
-	/* eax: left over bytes */
-6:	testl %r8d,%r8d		/* zero flag set? */
-	jz 7f
-	movl %eax,%ecx		/* initialize x86 loop counter */
-	push %rax
-	xorl %eax,%eax
-8:	rep
-	stosb 			/* zero the rest */
-11:	pop %rax
-7:	ret
-	CFI_ENDPROC
-END(copy_user_generic_c)
-
-	.section __ex_table,"a"
-	.quad 1b,3b
-	.quad 2b,5b
-	.quad 8b,11b
-	.quad 10b,3b
-	.previous
diff --git a/arch/x86_64/lib/copy_user_nocache_64.S b/arch/x86_64/lib/copy_user_nocache_64.S
deleted file mode 100644
index 4620efb..0000000
--- a/arch/x86_64/lib/copy_user_nocache_64.S
+++ /dev/null
@@ -1,217 +0,0 @@
-/* Copyright 2002 Andi Kleen, SuSE Labs.
- * Subject to the GNU Public License v2.
- *
- * Functions to copy from and to user space.
- */
-
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-
-#define FIX_ALIGNMENT 1
-
-#include <asm/current.h>
-#include <asm/asm-offsets.h>
-#include <asm/thread_info.h>
-#include <asm/cpufeature.h>
-
-/*
- * copy_user_nocache - Uncached memory copy with exception handling
- * This will force destination/source out of cache for more performance.
- *
- * Input:
- * rdi destination
- * rsi source
- * rdx count
- * rcx zero flag	when 1 zero on exception
- *
- * Output:
- * eax uncopied bytes or 0 if successful.
- */
-ENTRY(__copy_user_nocache)
-	CFI_STARTPROC
-	pushq %rbx
-	CFI_ADJUST_CFA_OFFSET 8
-	CFI_REL_OFFSET rbx, 0
-	pushq %rcx		/* save zero flag */
-	CFI_ADJUST_CFA_OFFSET 8
-	CFI_REL_OFFSET rcx, 0
-
-	xorl %eax,%eax		/* zero for the exception handler */
-
-#ifdef FIX_ALIGNMENT
-	/* check for bad alignment of destination */
-	movl %edi,%ecx
-	andl $7,%ecx
-	jnz  .Lbad_alignment
-.Lafter_bad_alignment:
-#endif
-
-	movq %rdx,%rcx
-
-	movl $64,%ebx
-	shrq $6,%rdx
-	decq %rdx
-	js   .Lhandle_tail
-
-	.p2align 4
-.Lloop:
-.Ls1:	movq (%rsi),%r11
-.Ls2:	movq 1*8(%rsi),%r8
-.Ls3:	movq 2*8(%rsi),%r9
-.Ls4:	movq 3*8(%rsi),%r10
-.Ld1:	movnti %r11,(%rdi)
-.Ld2:	movnti %r8,1*8(%rdi)
-.Ld3:	movnti %r9,2*8(%rdi)
-.Ld4:	movnti %r10,3*8(%rdi)
-
-.Ls5:	movq 4*8(%rsi),%r11
-.Ls6:	movq 5*8(%rsi),%r8
-.Ls7:	movq 6*8(%rsi),%r9
-.Ls8:	movq 7*8(%rsi),%r10
-.Ld5:	movnti %r11,4*8(%rdi)
-.Ld6:	movnti %r8,5*8(%rdi)
-.Ld7:	movnti %r9,6*8(%rdi)
-.Ld8:	movnti %r10,7*8(%rdi)
-
-	dec  %rdx
-
-	leaq 64(%rsi),%rsi
-	leaq 64(%rdi),%rdi
-
-	jns  .Lloop
-
-	.p2align 4
-.Lhandle_tail:
-	movl %ecx,%edx
-	andl $63,%ecx
-	shrl $3,%ecx
-	jz   .Lhandle_7
-	movl $8,%ebx
-	.p2align 4
-.Lloop_8:
-.Ls9:	movq (%rsi),%r8
-.Ld9:	movnti %r8,(%rdi)
-	decl %ecx
-	leaq 8(%rdi),%rdi
-	leaq 8(%rsi),%rsi
-	jnz .Lloop_8
-
-.Lhandle_7:
-	movl %edx,%ecx
-	andl $7,%ecx
-	jz   .Lende
-	.p2align 4
-.Lloop_1:
-.Ls10:	movb (%rsi),%bl
-.Ld10:	movb %bl,(%rdi)
-	incq %rdi
-	incq %rsi
-	decl %ecx
-	jnz .Lloop_1
-
-	CFI_REMEMBER_STATE
-.Lende:
-	popq %rcx
-	CFI_ADJUST_CFA_OFFSET -8
-	CFI_RESTORE %rcx
-	popq %rbx
-	CFI_ADJUST_CFA_OFFSET -8
-	CFI_RESTORE rbx
-	ret
-	CFI_RESTORE_STATE
-
-#ifdef FIX_ALIGNMENT
-	/* align destination */
-	.p2align 4
-.Lbad_alignment:
-	movl $8,%r9d
-	subl %ecx,%r9d
-	movl %r9d,%ecx
-	cmpq %r9,%rdx
-	jz   .Lhandle_7
-	js   .Lhandle_7
-.Lalign_1:
-.Ls11:	movb (%rsi),%bl
-.Ld11:	movb %bl,(%rdi)
-	incq %rsi
-	incq %rdi
-	decl %ecx
-	jnz .Lalign_1
-	subq %r9,%rdx
-	jmp .Lafter_bad_alignment
-#endif
-
-	/* table sorted by exception address */
-	.section __ex_table,"a"
-	.align 8
-	.quad .Ls1,.Ls1e
-	.quad .Ls2,.Ls2e
-	.quad .Ls3,.Ls3e
-	.quad .Ls4,.Ls4e
-	.quad .Ld1,.Ls1e
-	.quad .Ld2,.Ls2e
-	.quad .Ld3,.Ls3e
-	.quad .Ld4,.Ls4e
-	.quad .Ls5,.Ls5e
-	.quad .Ls6,.Ls6e
-	.quad .Ls7,.Ls7e
-	.quad .Ls8,.Ls8e
-	.quad .Ld5,.Ls5e
-	.quad .Ld6,.Ls6e
-	.quad .Ld7,.Ls7e
-	.quad .Ld8,.Ls8e
-	.quad .Ls9,.Le_quad
-	.quad .Ld9,.Le_quad
-	.quad .Ls10,.Le_byte
-	.quad .Ld10,.Le_byte
-#ifdef FIX_ALIGNMENT
-	.quad .Ls11,.Lzero_rest
-	.quad .Ld11,.Lzero_rest
-#endif
-	.quad .Le5,.Le_zero
-	.previous
-
-	/* compute 64-offset for main loop. 8 bytes accuracy with error on the
-	   pessimistic side. this is gross. it would be better to fix the
-	   interface. */
-	/* eax: zero, ebx: 64 */
-.Ls1e: 	addl $8,%eax
-.Ls2e: 	addl $8,%eax
-.Ls3e: 	addl $8,%eax
-.Ls4e: 	addl $8,%eax
-.Ls5e: 	addl $8,%eax
-.Ls6e: 	addl $8,%eax
-.Ls7e: 	addl $8,%eax
-.Ls8e: 	addl $8,%eax
-	addq %rbx,%rdi	/* +64 */
-	subq %rax,%rdi  /* correct destination with computed offset */
-
-	shlq $6,%rdx	/* loop counter * 64 (stride length) */
-	addq %rax,%rdx	/* add offset to loopcnt */
-	andl $63,%ecx	/* remaining bytes */
-	addq %rcx,%rdx	/* add them */
-	jmp .Lzero_rest
-
-	/* exception on quad word loop in tail handling */
-	/* ecx:	loopcnt/8, %edx: length, rdi: correct */
-.Le_quad:
-	shll $3,%ecx
-	andl $7,%edx
-	addl %ecx,%edx
-	/* edx: bytes to zero, rdi: dest, eax:zero */
-.Lzero_rest:
-	cmpl $0,(%rsp)	/* zero flag set? */
-	jz   .Le_zero
-	movq %rdx,%rcx
-.Le_byte:
-	xorl %eax,%eax
-.Le5:	rep
-	stosb
-	/* when there is another exception while zeroing the rest just return */
-.Le_zero:
-	movq %rdx,%rax
-	jmp .Lende
-	CFI_ENDPROC
-ENDPROC(__copy_user_nocache)
-
-
diff --git a/arch/x86_64/lib/csum-copy_64.S b/arch/x86_64/lib/csum-copy_64.S
deleted file mode 100644
index f0dba36..0000000
--- a/arch/x86_64/lib/csum-copy_64.S
+++ /dev/null
@@ -1,249 +0,0 @@
-/*
- * Copyright 2002,2003 Andi Kleen, SuSE Labs.
- *	
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file COPYING in the main directory of this archive
- * for more details. No warranty for anything given at all.
- */
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-#include <asm/errno.h>
-
-/*
- * Checksum copy with exception handling.
- * On exceptions src_err_ptr or dst_err_ptr is set to -EFAULT and the 
- * destination is zeroed.
- * 
- * Input
- * rdi  source
- * rsi  destination
- * edx  len (32bit)
- * ecx  sum (32bit) 
- * r8   src_err_ptr (int)
- * r9   dst_err_ptr (int)
- *
- * Output
- * eax  64bit sum. undefined in case of exception.
- * 
- * Wrappers need to take care of valid exception sum and zeroing.		 
- * They also should align source or destination to 8 bytes.
- */
-
-	.macro source
-10:
-	.section __ex_table,"a"
-	.align 8
-	.quad 10b,.Lbad_source
-	.previous
-	.endm
-		
-	.macro dest
-20:
-	.section __ex_table,"a"
-	.align 8
-	.quad 20b,.Lbad_dest
-	.previous
-	.endm
-			
-	.macro ignore L=.Lignore
-30:
-	.section __ex_table,"a"
-	.align 8
-	.quad 30b,\L
-	.previous
-	.endm
-	
-				
-ENTRY(csum_partial_copy_generic)
-	CFI_STARTPROC
-	cmpl	 $3*64,%edx
-	jle	 .Lignore
-
-.Lignore:		
-	subq  $7*8,%rsp
-	CFI_ADJUST_CFA_OFFSET 7*8
-	movq  %rbx,2*8(%rsp)
-	CFI_REL_OFFSET rbx, 2*8
-	movq  %r12,3*8(%rsp)
-	CFI_REL_OFFSET r12, 3*8
-	movq  %r14,4*8(%rsp)
-	CFI_REL_OFFSET r14, 4*8
-	movq  %r13,5*8(%rsp)
-	CFI_REL_OFFSET r13, 5*8
-	movq  %rbp,6*8(%rsp)
-	CFI_REL_OFFSET rbp, 6*8
-
-	movq  %r8,(%rsp)
-	movq  %r9,1*8(%rsp)
-	
-	movl  %ecx,%eax
-	movl  %edx,%ecx
-
-	xorl  %r9d,%r9d
-	movq  %rcx,%r12
-
-	shrq  $6,%r12
-	jz    .Lhandle_tail       /* < 64 */
-
-	clc
-	
-	/* main loop. clear in 64 byte blocks */
-	/* r9: zero, r8: temp2, rbx: temp1, rax: sum, rcx: saved length */
-	/* r11:	temp3, rdx: temp4, r12 loopcnt */
-	/* r10:	temp5, rbp: temp6, r14 temp7, r13 temp8 */
-	.p2align 4
-.Lloop:
-	source
-	movq  (%rdi),%rbx
-	source
-	movq  8(%rdi),%r8
-	source
-	movq  16(%rdi),%r11
-	source
-	movq  24(%rdi),%rdx
-
-	source
-	movq  32(%rdi),%r10
-	source
-	movq  40(%rdi),%rbp
-	source
-	movq  48(%rdi),%r14
-	source
-	movq  56(%rdi),%r13
-		
-	ignore 2f
-	prefetcht0 5*64(%rdi)
-2:							
-	adcq  %rbx,%rax
-	adcq  %r8,%rax
-	adcq  %r11,%rax
-	adcq  %rdx,%rax
-	adcq  %r10,%rax
-	adcq  %rbp,%rax
-	adcq  %r14,%rax
-	adcq  %r13,%rax
-
-	decl %r12d
-	
-	dest
-	movq %rbx,(%rsi)
-	dest
-	movq %r8,8(%rsi)
-	dest
-	movq %r11,16(%rsi)
-	dest
-	movq %rdx,24(%rsi)
-
-	dest
-	movq %r10,32(%rsi)
-	dest
-	movq %rbp,40(%rsi)
-	dest
-	movq %r14,48(%rsi)
-	dest
-	movq %r13,56(%rsi)
-	
-3:
-	
-	leaq 64(%rdi),%rdi
-	leaq 64(%rsi),%rsi
-
-	jnz   .Lloop
-
-	adcq  %r9,%rax
-
-	/* do last upto 56 bytes */
-.Lhandle_tail:
-	/* ecx:	count */
-	movl %ecx,%r10d
-	andl $63,%ecx
-	shrl $3,%ecx
-	jz 	 .Lfold
-	clc
-	.p2align 4
-.Lloop_8:	
-	source
-	movq (%rdi),%rbx
-	adcq %rbx,%rax
-	decl %ecx
-	dest
-	movq %rbx,(%rsi)
-	leaq 8(%rsi),%rsi /* preserve carry */
-	leaq 8(%rdi),%rdi
-	jnz	.Lloop_8
-	adcq %r9,%rax	/* add in carry */
-
-.Lfold:
-	/* reduce checksum to 32bits */
-	movl %eax,%ebx
-	shrq $32,%rax
-	addl %ebx,%eax
-	adcl %r9d,%eax
-
-	/* do last upto 6 bytes */	
-.Lhandle_7:
-	movl %r10d,%ecx
-	andl $7,%ecx
-	shrl $1,%ecx
-	jz   .Lhandle_1
-	movl $2,%edx
-	xorl %ebx,%ebx
-	clc  
-	.p2align 4
-.Lloop_1:	
-	source
-	movw (%rdi),%bx
-	adcl %ebx,%eax
-	decl %ecx
-	dest
-	movw %bx,(%rsi)
-	leaq 2(%rdi),%rdi
-	leaq 2(%rsi),%rsi
-	jnz .Lloop_1
-	adcl %r9d,%eax	/* add in carry */
-	
-	/* handle last odd byte */
-.Lhandle_1:
-	testl $1,%r10d
-	jz    .Lende
-	xorl  %ebx,%ebx
-	source
-	movb (%rdi),%bl
-	dest
-	movb %bl,(%rsi)
-	addl %ebx,%eax
-	adcl %r9d,%eax		/* carry */
-			
-	CFI_REMEMBER_STATE
-.Lende:
-	movq 2*8(%rsp),%rbx
-	CFI_RESTORE rbx
-	movq 3*8(%rsp),%r12
-	CFI_RESTORE r12
-	movq 4*8(%rsp),%r14
-	CFI_RESTORE r14
-	movq 5*8(%rsp),%r13
-	CFI_RESTORE r13
-	movq 6*8(%rsp),%rbp
-	CFI_RESTORE rbp
-	addq $7*8,%rsp
-	CFI_ADJUST_CFA_OFFSET -7*8
-	ret
-	CFI_RESTORE_STATE
-
-	/* Exception handlers. Very simple, zeroing is done in the wrappers */
-.Lbad_source:
-	movq (%rsp),%rax
-	testq %rax,%rax
-	jz   .Lende
-	movl $-EFAULT,(%rax)
-	jmp  .Lende
-	
-.Lbad_dest:
-	movq 8(%rsp),%rax
-	testq %rax,%rax
-	jz   .Lende	
-	movl $-EFAULT,(%rax)
-	jmp .Lende
-	CFI_ENDPROC
-ENDPROC(csum_partial_copy_generic)
diff --git a/arch/x86_64/lib/csum-partial_64.c b/arch/x86_64/lib/csum-partial_64.c
deleted file mode 100644
index bc503f5..0000000
--- a/arch/x86_64/lib/csum-partial_64.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * arch/x86_64/lib/csum-partial.c
- *
- * This file contains network checksum routines that are better done
- * in an architecture-specific manner due to speed.
- */
- 
-#include <linux/compiler.h>
-#include <linux/module.h>
-#include <asm/checksum.h>
-
-static inline unsigned short from32to16(unsigned a) 
-{
-	unsigned short b = a >> 16; 
-	asm("addw %w2,%w0\n\t"
-	    "adcw $0,%w0\n" 
-	    : "=r" (b)
-	    : "0" (b), "r" (a));
-	return b;
-}
-
-/*
- * Do a 64-bit checksum on an arbitrary memory area.
- * Returns a 32bit checksum.
- *
- * This isn't as time critical as it used to be because many NICs
- * do hardware checksumming these days.
- * 
- * Things tried and found to not make it faster:
- * Manual Prefetching
- * Unrolling to an 128 bytes inner loop.
- * Using interleaving with more registers to break the carry chains.
- */
-static unsigned do_csum(const unsigned char *buff, unsigned len)
-{
-	unsigned odd, count;
-	unsigned long result = 0;
-
-	if (unlikely(len == 0))
-		return result; 
-	odd = 1 & (unsigned long) buff;
-	if (unlikely(odd)) {
-		result = *buff << 8;
-		len--;
-		buff++;
-	}
-	count = len >> 1;		/* nr of 16-bit words.. */
-	if (count) {
-		if (2 & (unsigned long) buff) {
-			result += *(unsigned short *)buff;
-			count--;
-			len -= 2;
-			buff += 2;
-		}
-		count >>= 1;		/* nr of 32-bit words.. */
-		if (count) {
-			unsigned long zero;
-			unsigned count64;
-			if (4 & (unsigned long) buff) {
-				result += *(unsigned int *) buff;
-				count--;
-				len -= 4;
-				buff += 4;
-			}
-			count >>= 1;	/* nr of 64-bit words.. */
-
-			/* main loop using 64byte blocks */
-			zero = 0;
-			count64 = count >> 3;
-			while (count64) { 
-				asm("addq 0*8(%[src]),%[res]\n\t"
-				    "adcq 1*8(%[src]),%[res]\n\t"
-				    "adcq 2*8(%[src]),%[res]\n\t"
-				    "adcq 3*8(%[src]),%[res]\n\t"
-				    "adcq 4*8(%[src]),%[res]\n\t"
-				    "adcq 5*8(%[src]),%[res]\n\t"
-				    "adcq 6*8(%[src]),%[res]\n\t"
-				    "adcq 7*8(%[src]),%[res]\n\t"
-				    "adcq %[zero],%[res]"
-				    : [res] "=r" (result)
-				    : [src] "r" (buff), [zero] "r" (zero),
-				    "[res]" (result));
-				buff += 64;
-				count64--;
-			}
-
-			/* last upto 7 8byte blocks */
-			count %= 8; 
-			while (count) { 
-				asm("addq %1,%0\n\t"
-				    "adcq %2,%0\n" 
-					    : "=r" (result)
-				    : "m" (*(unsigned long *)buff), 
-				    "r" (zero),  "0" (result));
-				--count; 
-					buff += 8;
-			}
-			result = add32_with_carry(result>>32,
-						  result&0xffffffff); 
-
-			if (len & 4) {
-				result += *(unsigned int *) buff;
-				buff += 4;
-			}
-		}
-		if (len & 2) {
-			result += *(unsigned short *) buff;
-			buff += 2;
-		}
-	}
-	if (len & 1)
-		result += *buff;
-	result = add32_with_carry(result>>32, result & 0xffffffff); 
-	if (unlikely(odd)) { 
-		result = from32to16(result);
-		result = ((result >> 8) & 0xff) | ((result & 0xff) << 8);
-	}
-	return result;
-}
-
-/*
- * computes the checksum of a memory block at buff, length len,
- * and adds in "sum" (32-bit)
- *
- * returns a 32-bit number suitable for feeding into itself
- * or csum_tcpudp_magic
- *
- * this function must be called with even lengths, except
- * for the last fragment, which may be odd
- *
- * it's best to have buff aligned on a 64-bit boundary
- */
-__wsum csum_partial(const void *buff, int len, __wsum sum)
-{
-	return (__force __wsum)add32_with_carry(do_csum(buff, len),
-						(__force u32)sum);
-}
-
-EXPORT_SYMBOL(csum_partial);
-
-/*
- * this routine is used for miscellaneous IP-like checksums, mainly
- * in icmp.c
- */
-__sum16 ip_compute_csum(const void *buff, int len)
-{
-	return csum_fold(csum_partial(buff,len,0));
-}
-EXPORT_SYMBOL(ip_compute_csum);
-
diff --git a/arch/x86_64/lib/csum-wrappers_64.c b/arch/x86_64/lib/csum-wrappers_64.c
deleted file mode 100644
index fd42a4a..0000000
--- a/arch/x86_64/lib/csum-wrappers_64.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* Copyright 2002,2003 Andi Kleen, SuSE Labs.
- * Subject to the GNU Public License v.2
- * 
- * Wrappers of assembly checksum functions for x86-64.
- */
-
-#include <asm/checksum.h>
-#include <linux/module.h>
-
-/** 
- * csum_partial_copy_from_user - Copy and checksum from user space. 
- * @src: source address (user space) 
- * @dst: destination address
- * @len: number of bytes to be copied.
- * @isum: initial sum that is added into the result (32bit unfolded)
- * @errp: set to -EFAULT for an bad source address.
- * 
- * Returns an 32bit unfolded checksum of the buffer.
- * src and dst are best aligned to 64bits. 
- */ 
-__wsum
-csum_partial_copy_from_user(const void __user *src, void *dst,
-			    int len, __wsum isum, int *errp)
-{ 
-	might_sleep();
-	*errp = 0;
-	if (likely(access_ok(VERIFY_READ,src, len))) { 
-		/* Why 6, not 7? To handle odd addresses aligned we
-		   would need to do considerable complications to fix the
-		   checksum which is defined as an 16bit accumulator. The
-		   fix alignment code is primarily for performance
-		   compatibility with 32bit and that will handle odd
-		   addresses slowly too. */
-		if (unlikely((unsigned long)src & 6)) {			
-			while (((unsigned long)src & 6) && len >= 2) { 
-				__u16 val16;			
-				*errp = __get_user(val16, (const __u16 __user *)src);
-				if (*errp)
-					return isum;
-				*(__u16 *)dst = val16;
-				isum = (__force __wsum)add32_with_carry(
-						(__force unsigned)isum, val16);
-				src += 2; 
-				dst += 2; 
-				len -= 2;
-			}
-		}
-		isum = csum_partial_copy_generic((__force const void *)src,
-					dst, len, isum, errp, NULL);
-		if (likely(*errp == 0)) 
-			return isum;
-	} 
-	*errp = -EFAULT;
-	memset(dst,0,len); 
-	return isum;		
-} 
-
-EXPORT_SYMBOL(csum_partial_copy_from_user);
-
-/** 
- * csum_partial_copy_to_user - Copy and checksum to user space. 
- * @src: source address
- * @dst: destination address (user space)
- * @len: number of bytes to be copied.
- * @isum: initial sum that is added into the result (32bit unfolded)
- * @errp: set to -EFAULT for an bad destination address.
- * 
- * Returns an 32bit unfolded checksum of the buffer.
- * src and dst are best aligned to 64bits.
- */ 
-__wsum
-csum_partial_copy_to_user(const void *src, void __user *dst,
-			  int len, __wsum isum, int *errp)
-{ 
-	might_sleep();
-	if (unlikely(!access_ok(VERIFY_WRITE, dst, len))) {
-		*errp = -EFAULT;
-		return 0; 
-	}
-
-	if (unlikely((unsigned long)dst & 6)) {
-		while (((unsigned long)dst & 6) && len >= 2) { 
-			__u16 val16 = *(__u16 *)src;
-			isum = (__force __wsum)add32_with_carry(
-					(__force unsigned)isum, val16);
-			*errp = __put_user(val16, (__u16 __user *)dst);
-			if (*errp)
-				return isum;
-			src += 2; 
-			dst += 2; 
-			len -= 2;
-		}
-	}
-
-	*errp = 0;
-	return csum_partial_copy_generic(src, (void __force *)dst,len,isum,NULL,errp); 
-} 
-
-EXPORT_SYMBOL(csum_partial_copy_to_user);
-
-/** 
- * csum_partial_copy_nocheck - Copy and checksum.
- * @src: source address
- * @dst: destination address
- * @len: number of bytes to be copied.
- * @isum: initial sum that is added into the result (32bit unfolded)
- * 
- * Returns an 32bit unfolded checksum of the buffer.
- */ 
-__wsum
-csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
-{ 
-	return csum_partial_copy_generic(src,dst,len,sum,NULL,NULL);
-} 
-EXPORT_SYMBOL(csum_partial_copy_nocheck);
-
-__sum16 csum_ipv6_magic(const struct in6_addr *saddr,
-			const struct in6_addr *daddr,
-			__u32 len, unsigned short proto, __wsum sum)
-{
-	__u64 rest, sum64;
-     
-	rest = (__force __u64)htonl(len) + (__force __u64)htons(proto) +
-		(__force __u64)sum;
-	asm("  addq (%[saddr]),%[sum]\n"
-	    "  adcq 8(%[saddr]),%[sum]\n"
-	    "  adcq (%[daddr]),%[sum]\n" 
-	    "  adcq 8(%[daddr]),%[sum]\n"
-	    "  adcq $0,%[sum]\n"
-	    : [sum] "=r" (sum64) 
-	    : "[sum]" (rest),[saddr] "r" (saddr), [daddr] "r" (daddr));
-	return csum_fold((__force __wsum)add32_with_carry(sum64 & 0xffffffff, sum64>>32));
-}
-
-EXPORT_SYMBOL(csum_ipv6_magic);
diff --git a/arch/x86_64/lib/delay_64.c b/arch/x86_64/lib/delay_64.c
deleted file mode 100644
index 2dbebd3..0000000
--- a/arch/x86_64/lib/delay_64.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- *	Precise Delay Loops for x86-64
- *
- *	Copyright (C) 1993 Linus Torvalds
- *	Copyright (C) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
- *
- *	The __delay function must _NOT_ be inlined as its execution time
- *	depends wildly on alignment on many x86 processors. 
- */
-
-#include <linux/module.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-#include <asm/delay.h>
-#include <asm/msr.h>
-
-#ifdef CONFIG_SMP
-#include <asm/smp.h>
-#endif
-
-int read_current_timer(unsigned long *timer_value)
-{
-	rdtscll(*timer_value);
-	return 0;
-}
-
-void __delay(unsigned long loops)
-{
-	unsigned bclock, now;
-	
-	rdtscl(bclock);
-	do
-	{
-		rep_nop(); 
-		rdtscl(now);
-	}
-	while((now-bclock) < loops);
-}
-EXPORT_SYMBOL(__delay);
-
-inline void __const_udelay(unsigned long xloops)
-{
-	__delay(((xloops * HZ * cpu_data[raw_smp_processor_id()].loops_per_jiffy) >> 32) + 1);
-}
-EXPORT_SYMBOL(__const_udelay);
-
-void __udelay(unsigned long usecs)
-{
-	__const_udelay(usecs * 0x000010c7);  /* 2**32 / 1000000 (rounded up) */
-}
-EXPORT_SYMBOL(__udelay);
-
-void __ndelay(unsigned long nsecs)
-{
-	__const_udelay(nsecs * 0x00005);  /* 2**32 / 1000000000 (rounded up) */
-}
-EXPORT_SYMBOL(__ndelay);
diff --git a/arch/x86_64/lib/getuser_64.S b/arch/x86_64/lib/getuser_64.S
deleted file mode 100644
index 5448876..0000000
--- a/arch/x86_64/lib/getuser_64.S
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * __get_user functions.
- *
- * (C) Copyright 1998 Linus Torvalds
- * (C) Copyright 2005 Andi Kleen
- *
- * These functions have a non-standard call interface
- * to make them more efficient, especially as they
- * return an error value in addition to the "real"
- * return value.
- */
-
-/*
- * __get_user_X
- *
- * Inputs:	%rcx contains the address.
- *		The register is modified, but all changes are undone
- *		before returning because the C code doesn't know about it.
- *
- * Outputs:	%rax is error code (0 or -EFAULT)
- *		%rdx contains zero-extended value
- * 
- * %r8 is destroyed.
- *
- * These functions should not modify any other registers,
- * as they get called from within inline assembly.
- */
-
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-#include <asm/page.h>
-#include <asm/errno.h>
-#include <asm/asm-offsets.h>
-#include <asm/thread_info.h>
-
-	.text
-ENTRY(__get_user_1)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%r8)
-	cmpq threadinfo_addr_limit(%r8),%rcx
-	jae bad_get_user
-1:	movzb (%rcx),%edx
-	xorl %eax,%eax
-	ret
-	CFI_ENDPROC
-ENDPROC(__get_user_1)
-
-ENTRY(__get_user_2)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%r8)
-	addq $1,%rcx
-	jc 20f
-	cmpq threadinfo_addr_limit(%r8),%rcx
-	jae 20f
-	decq   %rcx
-2:	movzwl (%rcx),%edx
-	xorl %eax,%eax
-	ret
-20:	decq    %rcx
-	jmp	bad_get_user
-	CFI_ENDPROC
-ENDPROC(__get_user_2)
-
-ENTRY(__get_user_4)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%r8)
-	addq $3,%rcx
-	jc 30f
-	cmpq threadinfo_addr_limit(%r8),%rcx
-	jae 30f
-	subq $3,%rcx
-3:	movl (%rcx),%edx
-	xorl %eax,%eax
-	ret
-30:	subq $3,%rcx
-	jmp bad_get_user
-	CFI_ENDPROC
-ENDPROC(__get_user_4)
-
-ENTRY(__get_user_8)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%r8)
-	addq $7,%rcx
-	jc 40f
-	cmpq threadinfo_addr_limit(%r8),%rcx
-	jae	40f
-	subq	$7,%rcx
-4:	movq (%rcx),%rdx
-	xorl %eax,%eax
-	ret
-40:	subq $7,%rcx
-	jmp bad_get_user
-	CFI_ENDPROC
-ENDPROC(__get_user_8)
-
-bad_get_user:
-	CFI_STARTPROC
-	xorl %edx,%edx
-	movq $(-EFAULT),%rax
-	ret
-	CFI_ENDPROC
-END(bad_get_user)
-
-.section __ex_table,"a"
-	.quad 1b,bad_get_user
-	.quad 2b,bad_get_user
-	.quad 3b,bad_get_user
-	.quad 4b,bad_get_user
-.previous
diff --git a/arch/x86_64/lib/io_64.c b/arch/x86_64/lib/io_64.c
deleted file mode 100644
index 87b4a4e..0000000
--- a/arch/x86_64/lib/io_64.c
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <linux/string.h>
-#include <asm/io.h>
-#include <linux/module.h>
-
-void __memcpy_toio(unsigned long dst,const void*src,unsigned len)
-{
-	__inline_memcpy((void *) dst,src,len);
-}
-EXPORT_SYMBOL(__memcpy_toio);
-
-void __memcpy_fromio(void *dst,unsigned long src,unsigned len)
-{
-	__inline_memcpy(dst,(const void *) src,len);
-}
-EXPORT_SYMBOL(__memcpy_fromio);
-
-void memset_io(volatile void __iomem *a, int b, size_t c)
-{
-	/* XXX: memset can mangle the IO patterns quite a bit.
-	   perhaps it would be better to use a dumb one */
-	memset((void *)a,b,c);
-}
-EXPORT_SYMBOL(memset_io);
diff --git a/arch/x86_64/lib/iomap_copy_64.S b/arch/x86_64/lib/iomap_copy_64.S
deleted file mode 100644
index 05a95e7..0000000
--- a/arch/x86_64/lib/iomap_copy_64.S
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Copyright 2006 PathScale, Inc.  All Rights Reserved.
- *
- * This file is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-
-/*
- * override generic version in lib/iomap_copy.c
- */
-ENTRY(__iowrite32_copy)
-	CFI_STARTPROC
-	movl %edx,%ecx
-	rep movsd
-	ret
-	CFI_ENDPROC
-ENDPROC(__iowrite32_copy)
diff --git a/arch/x86_64/lib/memcpy_64.S b/arch/x86_64/lib/memcpy_64.S
deleted file mode 100644
index c22981f..0000000
--- a/arch/x86_64/lib/memcpy_64.S
+++ /dev/null
@@ -1,131 +0,0 @@
-/* Copyright 2002 Andi Kleen */
-
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-#include <asm/cpufeature.h>
-
-/*
- * memcpy - Copy a memory block.
- *
- * Input:	
- * rdi destination
- * rsi source
- * rdx count
- * 
- * Output:
- * rax original destination
- */	
-
-	ALIGN
-memcpy_c:
-	CFI_STARTPROC
-	movq %rdi,%rax
-	movl %edx,%ecx
-	shrl $3,%ecx
-	andl $7,%edx
-	rep movsq
-	movl %edx,%ecx
-	rep movsb
-	ret
-	CFI_ENDPROC
-ENDPROC(memcpy_c)
-
-ENTRY(__memcpy)
-ENTRY(memcpy)
-	CFI_STARTPROC
-	pushq %rbx
-	CFI_ADJUST_CFA_OFFSET 8
-	CFI_REL_OFFSET rbx, 0
-	movq %rdi,%rax
-
-	movl %edx,%ecx
-	shrl $6,%ecx
-	jz .Lhandle_tail
-
-	.p2align 4
-.Lloop_64:
-	decl %ecx
-
-	movq (%rsi),%r11
-	movq 8(%rsi),%r8
-
-	movq %r11,(%rdi)
-	movq %r8,1*8(%rdi)
-
-	movq 2*8(%rsi),%r9
-	movq 3*8(%rsi),%r10
-
-	movq %r9,2*8(%rdi)
-	movq %r10,3*8(%rdi)
-
-	movq 4*8(%rsi),%r11
-	movq 5*8(%rsi),%r8
-
-	movq %r11,4*8(%rdi)
-	movq %r8,5*8(%rdi)
-
-	movq 6*8(%rsi),%r9
-	movq 7*8(%rsi),%r10
-
-	movq %r9,6*8(%rdi)
-	movq %r10,7*8(%rdi)
-
-	leaq 64(%rsi),%rsi
-	leaq 64(%rdi),%rdi
-	jnz  .Lloop_64
-
-.Lhandle_tail:
-	movl %edx,%ecx
-	andl $63,%ecx
-	shrl $3,%ecx
-	jz   .Lhandle_7
-	.p2align 4
-.Lloop_8:
-	decl %ecx
-	movq (%rsi),%r8
-	movq %r8,(%rdi)
-	leaq 8(%rdi),%rdi
-	leaq 8(%rsi),%rsi
-	jnz  .Lloop_8
-
-.Lhandle_7:
-	movl %edx,%ecx
-	andl $7,%ecx
-	jz .Lende
-	.p2align 4
-.Lloop_1:
-	movb (%rsi),%r8b
-	movb %r8b,(%rdi)
-	incq %rdi
-	incq %rsi
-	decl %ecx
-	jnz .Lloop_1
-
-.Lende:
-	popq %rbx
-	CFI_ADJUST_CFA_OFFSET -8
-	CFI_RESTORE rbx
-	ret
-.Lfinal:
-	CFI_ENDPROC
-ENDPROC(memcpy)
-ENDPROC(__memcpy)
-
-	/* Some CPUs run faster using the string copy instructions.
-	   It is also a lot simpler. Use this when possible */
-
-	.section .altinstr_replacement,"ax"
-1:	.byte 0xeb				/* jmp <disp8> */
-	.byte (memcpy_c - memcpy) - (2f - 1b)	/* offset */
-2:
-	.previous
-	.section .altinstructions,"a"
-	.align 8
-	.quad memcpy
-	.quad 1b
-	.byte X86_FEATURE_REP_GOOD
-	/* Replace only beginning, memcpy is used to apply alternatives, so it
-	 * is silly to overwrite itself with nops - reboot is only outcome... */
-	.byte 2b - 1b
-	.byte 2b - 1b
-	.previous
diff --git a/arch/x86_64/lib/memmove_64.c b/arch/x86_64/lib/memmove_64.c
deleted file mode 100644
index 751ebae..0000000
--- a/arch/x86_64/lib/memmove_64.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/* Normally compiler builtins are used, but sometimes the compiler calls out
-   of line code. Based on asm-i386/string.h.
- */
-#define _STRING_C
-#include <linux/string.h>
-#include <linux/module.h>
-
-#undef memmove
-void *memmove(void * dest,const void *src,size_t count)
-{
-	if (dest < src) { 
-		return memcpy(dest,src,count);
-	} else {
-		char *p = (char *) dest + count;
-		char *s = (char *) src + count;
-		while (count--)
-			*--p = *--s;
-	}
-	return dest;
-} 
-EXPORT_SYMBOL(memmove);
diff --git a/arch/x86_64/lib/memset_64.S b/arch/x86_64/lib/memset_64.S
deleted file mode 100644
index 2c59481..0000000
--- a/arch/x86_64/lib/memset_64.S
+++ /dev/null
@@ -1,133 +0,0 @@
-/* Copyright 2002 Andi Kleen, SuSE Labs */
-
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-
-/*
- * ISO C memset - set a memory block to a byte value.
- *	
- * rdi   destination
- * rsi   value (char) 
- * rdx   count (bytes) 
- * 
- * rax   original destination
- */	
-	ALIGN
-memset_c:
-	CFI_STARTPROC
-	movq %rdi,%r9
-	movl %edx,%r8d
-	andl $7,%r8d
-	movl %edx,%ecx
-	shrl $3,%ecx
-	/* expand byte value  */
-	movzbl %sil,%esi
-	movabs $0x0101010101010101,%rax
-	mulq %rsi		/* with rax, clobbers rdx */
-	rep stosq
-	movl %r8d,%ecx
-	rep stosb
-	movq %r9,%rax
-	ret
-	CFI_ENDPROC
-ENDPROC(memset_c)
-
-ENTRY(memset)
-ENTRY(__memset)
-	CFI_STARTPROC
-	movq %rdi,%r10
-	movq %rdx,%r11
-
-	/* expand byte value  */
-	movzbl %sil,%ecx
-	movabs $0x0101010101010101,%rax
-	mul    %rcx		/* with rax, clobbers rdx */
-
-	/* align dst */
-	movl  %edi,%r9d
-	andl  $7,%r9d
-	jnz  .Lbad_alignment
-	CFI_REMEMBER_STATE
-.Lafter_bad_alignment:
-
-	movl %r11d,%ecx
-	shrl $6,%ecx
-	jz	 .Lhandle_tail
-
-	.p2align 4
-.Lloop_64:
-	decl   %ecx
-	movq  %rax,(%rdi)
-	movq  %rax,8(%rdi)
-	movq  %rax,16(%rdi)
-	movq  %rax,24(%rdi)
-	movq  %rax,32(%rdi)
-	movq  %rax,40(%rdi)
-	movq  %rax,48(%rdi)
-	movq  %rax,56(%rdi)
-	leaq  64(%rdi),%rdi
-	jnz    .Lloop_64
-
-	/* Handle tail in loops. The loops should be faster than hard
-	   to predict jump tables. */
-	.p2align 4
-.Lhandle_tail:
-	movl	%r11d,%ecx
-	andl    $63&(~7),%ecx
-	jz 		.Lhandle_7
-	shrl	$3,%ecx
-	.p2align 4
-.Lloop_8:
-	decl   %ecx
-	movq  %rax,(%rdi)
-	leaq  8(%rdi),%rdi
-	jnz    .Lloop_8
-
-.Lhandle_7:
-	movl	%r11d,%ecx
-	andl	$7,%ecx
-	jz      .Lende
-	.p2align 4
-.Lloop_1:
-	decl    %ecx
-	movb 	%al,(%rdi)
-	leaq	1(%rdi),%rdi
-	jnz     .Lloop_1
-
-.Lende:
-	movq	%r10,%rax
-	ret
-
-	CFI_RESTORE_STATE
-.Lbad_alignment:
-	cmpq $7,%r11
-	jbe	.Lhandle_7
-	movq %rax,(%rdi)	/* unaligned store */
-	movq $8,%r8
-	subq %r9,%r8
-	addq %r8,%rdi
-	subq %r8,%r11
-	jmp .Lafter_bad_alignment
-.Lfinal:
-	CFI_ENDPROC
-ENDPROC(memset)
-ENDPROC(__memset)
-
-	/* Some CPUs run faster using the string instructions.
-	   It is also a lot simpler. Use this when possible */
-
-#include <asm/cpufeature.h>
-
-	.section .altinstr_replacement,"ax"
-1:	.byte 0xeb				/* jmp <disp8> */
-	.byte (memset_c - memset) - (2f - 1b)	/* offset */
-2:
-	.previous
-	.section .altinstructions,"a"
-	.align 8
-	.quad memset
-	.quad 1b
-	.byte X86_FEATURE_REP_GOOD
-	.byte .Lfinal - memset
-	.byte 2b - 1b
-	.previous
diff --git a/arch/x86_64/lib/msr-on-cpu.c b/arch/x86_64/lib/msr-on-cpu.c
deleted file mode 100644
index 5672d41..0000000
--- a/arch/x86_64/lib/msr-on-cpu.c
+++ /dev/null
@@ -1 +0,0 @@
-#include "../../x86/lib/msr-on-cpu.c"
diff --git a/arch/x86_64/lib/putuser_64.S b/arch/x86_64/lib/putuser_64.S
deleted file mode 100644
index 4989f5a..0000000
--- a/arch/x86_64/lib/putuser_64.S
+++ /dev/null
@@ -1,106 +0,0 @@
-/*
- * __put_user functions.
- *
- * (C) Copyright 1998 Linus Torvalds
- * (C) Copyright 2005 Andi Kleen
- *
- * These functions have a non-standard call interface
- * to make them more efficient, especially as they
- * return an error value in addition to the "real"
- * return value.
- */
-
-/*
- * __put_user_X
- *
- * Inputs:	%rcx contains the address
- *		%rdx contains new value
- *
- * Outputs:	%rax is error code (0 or -EFAULT)
- *
- * %r8 is destroyed.
- *
- * These functions should not modify any other registers,
- * as they get called from within inline assembly.
- */
-
-#include <linux/linkage.h>
-#include <asm/dwarf2.h>
-#include <asm/page.h>
-#include <asm/errno.h>
-#include <asm/asm-offsets.h>
-#include <asm/thread_info.h>
-
-	.text
-ENTRY(__put_user_1)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%r8)
-	cmpq threadinfo_addr_limit(%r8),%rcx
-	jae bad_put_user
-1:	movb %dl,(%rcx)
-	xorl %eax,%eax
-	ret
-	CFI_ENDPROC
-ENDPROC(__put_user_1)
-
-ENTRY(__put_user_2)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%r8)
-	addq $1,%rcx
-	jc 20f
-	cmpq threadinfo_addr_limit(%r8),%rcx
-	jae 20f
-	decq %rcx
-2:	movw %dx,(%rcx)
-	xorl %eax,%eax
-	ret
-20:	decq %rcx
-	jmp bad_put_user
-	CFI_ENDPROC
-ENDPROC(__put_user_2)
-
-ENTRY(__put_user_4)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%r8)
-	addq $3,%rcx
-	jc 30f
-	cmpq threadinfo_addr_limit(%r8),%rcx
-	jae 30f
-	subq $3,%rcx
-3:	movl %edx,(%rcx)
-	xorl %eax,%eax
-	ret
-30:	subq $3,%rcx
-	jmp bad_put_user
-	CFI_ENDPROC
-ENDPROC(__put_user_4)
-
-ENTRY(__put_user_8)
-	CFI_STARTPROC
-	GET_THREAD_INFO(%r8)
-	addq $7,%rcx
-	jc 40f
-	cmpq threadinfo_addr_limit(%r8),%rcx
-	jae 40f
-	subq $7,%rcx
-4:	movq %rdx,(%rcx)
-	xorl %eax,%eax
-	ret
-40:	subq $7,%rcx
-	jmp bad_put_user
-	CFI_ENDPROC
-ENDPROC(__put_user_8)
-
-bad_put_user:
-	CFI_STARTPROC
-	movq $(-EFAULT),%rax
-	ret
-	CFI_ENDPROC
-END(bad_put_user)
-
-.section __ex_table,"a"
-	.quad 1b,bad_put_user
-	.quad 2b,bad_put_user
-	.quad 3b,bad_put_user
-	.quad 4b,bad_put_user
-.previous
diff --git a/arch/x86_64/lib/rwlock_64.S b/arch/x86_64/lib/rwlock_64.S
deleted file mode 100644
index 0cde1f8..0000000
--- a/arch/x86_64/lib/rwlock_64.S
+++ /dev/null
@@ -1,38 +0,0 @@
-/* Slow paths of read/write spinlocks. */
-
-#include <linux/linkage.h>
-#include <asm/rwlock.h>
-#include <asm/alternative-asm.i>
-#include <asm/dwarf2.h>
-
-/* rdi:	pointer to rwlock_t */
-ENTRY(__write_lock_failed)
-	CFI_STARTPROC
-	LOCK_PREFIX
-	addl $RW_LOCK_BIAS,(%rdi)
-1:	rep
-	nop
-	cmpl $RW_LOCK_BIAS,(%rdi)
-	jne 1b
-	LOCK_PREFIX
-	subl $RW_LOCK_BIAS,(%rdi)
-	jnz  __write_lock_failed
-	ret
-	CFI_ENDPROC
-END(__write_lock_failed)
-
-/* rdi:	pointer to rwlock_t */
-ENTRY(__read_lock_failed)
-	CFI_STARTPROC
-	LOCK_PREFIX
-	incl (%rdi)
-1:	rep
-	nop
-	cmpl $1,(%rdi)
-	js 1b
-	LOCK_PREFIX
-	decl (%rdi)
-	js __read_lock_failed
-	ret
-	CFI_ENDPROC
-END(__read_lock_failed)
diff --git a/arch/x86_64/lib/thunk_64.S b/arch/x86_64/lib/thunk_64.S
deleted file mode 100644
index 55e586d..0000000
--- a/arch/x86_64/lib/thunk_64.S
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Save registers before calling assembly functions. This avoids
- * disturbance of register allocation in some inline assembly constructs.
- * Copyright 2001,2002 by Andi Kleen, SuSE Labs.
- * Subject to the GNU public license, v.2. No warranty of any kind.
- */
-
-	#include <linux/linkage.h>
-	#include <asm/dwarf2.h>
-	#include <asm/calling.h>			
-	#include <asm/rwlock.h>
-		
-	/* rdi:	arg1 ... normal C conventions. rax is saved/restored. */ 	
-	.macro thunk name,func
-	.globl \name
-\name:	
-	CFI_STARTPROC
-	SAVE_ARGS
-	call \func
-	jmp  restore
-	CFI_ENDPROC
-	.endm
-
-	/* rdi:	arg1 ... normal C conventions. rax is passed from C. */ 	
-	.macro thunk_retrax name,func
-	.globl \name
-\name:	
-	CFI_STARTPROC
-	SAVE_ARGS
-	call \func
-	jmp  restore_norax
-	CFI_ENDPROC
-	.endm
-	
-
-	.section .sched.text
-#ifdef CONFIG_RWSEM_XCHGADD_ALGORITHM
-	thunk rwsem_down_read_failed_thunk,rwsem_down_read_failed
-	thunk rwsem_down_write_failed_thunk,rwsem_down_write_failed
-	thunk rwsem_wake_thunk,rwsem_wake
-	thunk rwsem_downgrade_thunk,rwsem_downgrade_wake
-#endif	
-	
-	thunk __down_failed,__down
-	thunk_retrax __down_failed_interruptible,__down_interruptible
-	thunk_retrax __down_failed_trylock,__down_trylock
-	thunk __up_wakeup,__up
-
-#ifdef CONFIG_TRACE_IRQFLAGS
-	thunk trace_hardirqs_on_thunk,trace_hardirqs_on
-	thunk trace_hardirqs_off_thunk,trace_hardirqs_off
-#endif
-	
-	/* SAVE_ARGS below is used only for the .cfi directives it contains. */
-	CFI_STARTPROC
-	SAVE_ARGS
-restore:
-	RESTORE_ARGS
-	ret	
-	CFI_ENDPROC
-	
-	CFI_STARTPROC
-	SAVE_ARGS
-restore_norax:	
-	RESTORE_ARGS 1
-	ret
-	CFI_ENDPROC
diff --git a/arch/x86_64/lib/usercopy_64.c b/arch/x86_64/lib/usercopy_64.c
deleted file mode 100644
index 893d43f..0000000
--- a/arch/x86_64/lib/usercopy_64.c
+++ /dev/null
@@ -1,166 +0,0 @@
-/* 
- * User address space access functions.
- *
- * Copyright 1997 Andi Kleen <ak@muc.de>
- * Copyright 1997 Linus Torvalds
- * Copyright 2002 Andi Kleen <ak@suse.de>
- */
-#include <linux/module.h>
-#include <asm/uaccess.h>
-
-/*
- * Copy a null terminated string from userspace.
- */
-
-#define __do_strncpy_from_user(dst,src,count,res)			   \
-do {									   \
-	long __d0, __d1, __d2;						   \
-	might_sleep();							   \
-	__asm__ __volatile__(						   \
-		"	testq %1,%1\n"					   \
-		"	jz 2f\n"					   \
-		"0:	lodsb\n"					   \
-		"	stosb\n"					   \
-		"	testb %%al,%%al\n"				   \
-		"	jz 1f\n"					   \
-		"	decq %1\n"					   \
-		"	jnz 0b\n"					   \
-		"1:	subq %1,%0\n"					   \
-		"2:\n"							   \
-		".section .fixup,\"ax\"\n"				   \
-		"3:	movq %5,%0\n"					   \
-		"	jmp 2b\n"					   \
-		".previous\n"						   \
-		".section __ex_table,\"a\"\n"				   \
-		"	.align 8\n"					   \
-		"	.quad 0b,3b\n"					   \
-		".previous"						   \
-		: "=r"(res), "=c"(count), "=&a" (__d0), "=&S" (__d1),	   \
-		  "=&D" (__d2)						   \
-		: "i"(-EFAULT), "0"(count), "1"(count), "3"(src), "4"(dst) \
-		: "memory");						   \
-} while (0)
-
-long
-__strncpy_from_user(char *dst, const char __user *src, long count)
-{
-	long res;
-	__do_strncpy_from_user(dst, src, count, res);
-	return res;
-}
-EXPORT_SYMBOL(__strncpy_from_user);
-
-long
-strncpy_from_user(char *dst, const char __user *src, long count)
-{
-	long res = -EFAULT;
-	if (access_ok(VERIFY_READ, src, 1))
-		return __strncpy_from_user(dst, src, count);
-	return res;
-}
-EXPORT_SYMBOL(strncpy_from_user);
-
-/*
- * Zero Userspace
- */
-
-unsigned long __clear_user(void __user *addr, unsigned long size)
-{
-	long __d0;
-	might_sleep();
-	/* no memory constraint because it doesn't change any memory gcc knows
-	   about */
-	asm volatile(
-		"	testq  %[size8],%[size8]\n"
-		"	jz     4f\n"
-		"0:	movq %[zero],(%[dst])\n"
-		"	addq   %[eight],%[dst]\n"
-		"	decl %%ecx ; jnz   0b\n"
-		"4:	movq  %[size1],%%rcx\n"
-		"	testl %%ecx,%%ecx\n"
-		"	jz     2f\n"
-		"1:	movb   %b[zero],(%[dst])\n"
-		"	incq   %[dst]\n"
-		"	decl %%ecx ; jnz  1b\n"
-		"2:\n"
-		".section .fixup,\"ax\"\n"
-		"3:	lea 0(%[size1],%[size8],8),%[size8]\n"
-		"	jmp 2b\n"
-		".previous\n"
-		".section __ex_table,\"a\"\n"
-		"       .align 8\n"
-		"	.quad 0b,3b\n"
-		"	.quad 1b,2b\n"
-		".previous"
-		: [size8] "=c"(size), [dst] "=&D" (__d0)
-		: [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr),
-		  [zero] "r" (0UL), [eight] "r" (8UL));
-	return size;
-}
-EXPORT_SYMBOL(__clear_user);
-
-unsigned long clear_user(void __user *to, unsigned long n)
-{
-	if (access_ok(VERIFY_WRITE, to, n))
-		return __clear_user(to, n);
-	return n;
-}
-EXPORT_SYMBOL(clear_user);
-
-/*
- * Return the size of a string (including the ending 0)
- *
- * Return 0 on exception, a value greater than N if too long
- */
-
-long __strnlen_user(const char __user *s, long n)
-{
-	long res = 0;
-	char c;
-
-	while (1) {
-		if (res>n)
-			return n+1;
-		if (__get_user(c, s))
-			return 0;
-		if (!c)
-			return res+1;
-		res++;
-		s++;
-	}
-}
-EXPORT_SYMBOL(__strnlen_user);
-
-long strnlen_user(const char __user *s, long n)
-{
-	if (!access_ok(VERIFY_READ, s, n))
-		return 0;
-	return __strnlen_user(s, n);
-}
-EXPORT_SYMBOL(strnlen_user);
-
-long strlen_user(const char __user *s)
-{
-	long res = 0;
-	char c;
-
-	for (;;) {
-		if (get_user(c, s))
-			return 0;
-		if (!c)
-			return res+1;
-		res++;
-		s++;
-	}
-}
-EXPORT_SYMBOL(strlen_user);
-
-unsigned long copy_in_user(void __user *to, const void __user *from, unsigned len)
-{
-	if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) { 
-		return copy_user_generic((__force void *)to, (__force void *)from, len);
-	} 
-	return len;		
-}
-EXPORT_SYMBOL(copy_in_user);
-